Biodiesel: air emissions, feedstock availability, and national security
      http://www.ncsl.org/slides/energy/Ashworth04_jpg_files/frame.htm

The promise of hydrogen
      http://www.ncsl.org/slides/energy/Padro04_jpg_files/frame.htm

Wind energy today
      http://www.ncsl.org/slides/energy/PDougherty_jpg_files/frame.htm

Current assessment of wind technologies
      http://www.ncsl.org/slides/energy/BGould_jpg_files/frame.htm

Renewable Portfolio Standard Renewable Energy Credits: Creating Markets for Clean Power
      http://www.ncsl.org/slides/energy/RichardSedano_jpg_files/frame.htm

Solar energy
      http://www.fsec.ucf.edu/ed/sw/tofc.htm
      www.arch.mcgill.ca/.../arch405/Fall2003/text/ midwork/joanne%20frisch%20%20solar%20energy/Solar%20Energy.htm

Solar photovoltaic: Turning Sunlight in to Electricity
      http://www1.eere.energy.gov/solar/multimedia.html

How does solar PV work
      http://www.solarcentury.com/knowledge_base/files/how_pv_works_flash_animation_low_res

Solar village
      http://www.thesolarvillage.com/

Solar cells and energy payback
      http://www.solarcentury.com/knowledge_base/files/solar_cells_and_energy_payback